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Targeting Cancer Stem Cells with Nanoparticle-Enabled Therapies
Andrew R Burke1, Ravi N Singh2, David L Carroll3
1Tumor Angiogenesis Section, Mouse Cancer Genetics Program, Frederick National Laboratory for Cancer Research, National Institutes of Health, Frederick, MD 21702, USA.
Abstract:
Emerging evidence suggests that multiple tumor types are sustained by a small population of transformed stem-like cells that have the ability to both self-renew and give rise to non-tumorigenic daughter cells that constitute the bulk of a tumor. These cells, which generally constitute a minority of the overall cancer cell population, are highly resistant to conventional therapies and persist following treatment, leading to disease relapse and the formation of distant metastases. Therapies that disrupt the maintenance and survival of cancer stem cells are the subject of active current investigation. This review discusses recent approaches to the application of nanomedicine to the targeting and elimination of cancer stem cells. Specifically, recent publications in the areas of nanoparticle-enabled drug and nucleic acid delivery and photothermal therapy are addressed.
Insights
Cancer stem cells (CSCs) drive tumor growth and relapse. Nanomedicine offers new strategies to target and eliminate these therapy-resistant cells, potentially preventing disease recurrence.
Area of Science:
- Oncology
- Nanomedicine
- Cancer Biology
Background:
- Multiple tumor types are sustained by cancer stem cells (CSCs).
- CSCs possess self-renewal and differentiation capabilities, forming the bulk of tumors.
- CSCs are resistant to conventional therapies, leading to relapse and metastasis.
Purpose of the Study:
- To review recent nanomedicine approaches for targeting and eliminating cancer stem cells.
- To highlight advancements in nanoparticle-based therapies for CSCs.
Main Methods:
- Review of recent publications on nanomedicine applications for CSCs.
- Focus on nanoparticle-enabled drug and nucleic acid delivery.
- Inclusion of photothermal therapy strategies.
Main Results:
- Nanomedicine shows promise in targeting CSCs.
- Nanoparticle delivery systems enhance therapeutic efficacy.
- Photothermal therapy presents a viable option for CSC elimination.
Conclusions:
- Nanomedicine offers novel strategies to overcome CSC-mediated therapy resistance.
- Targeting CSCs with nanomedicine can potentially prevent tumor relapse and metastasis.
- Further research into nanomedicine applications is crucial for effective cancer treatment.
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